www.pulse-jets.com

unless they have a picture of it running, Assume that it dosn't work!

there are many other proven designs that are easier to build then that one. do a search on this forum for "pipewood"

I recently saw a demonstration of micro H2O2 rockets for use in satellite and small spacecraft thrusters. we used 90% H2O2

I considdering making one of these once I learn how to run the CNC mill.
1.5 inch x 5.5 inch

bruno- I'm not sure I like that design, it is interesting but has some quirks that I don't like. first of all DAO handguns usually have heavier trigger pulls which will negitively effect accuracy at anything past 30 ft, and make it more difficult to get a quick second shot. I think they would have b...

a six inch wide ramjet producing 1000 lbf. runs on acetylene. http://www.nasm.si.edu/research/dsh/artifacts/RM-F23Ramjet.htm does anyone have any additional information on it (pictures?) the web was kind of scarce. I saw this at the NASM and it peeked my interest but I had forgotton the name untill ...

sorry, couldn't resist!

since were posting pictures of us posing with guns...

http://avia.russian.ee/vertigo/mcdonnel_crane-r.html

http://1000aircraftphotos.com/Contribut ... g/3138.htm

There is a valveless engine in the same layout you described

I'm sure someone will post the picture.

this also reminds me of the hughes xh-17, although that used gas turbines to force gas through the rotor before it was burned at the tips.

20 lb thrust engine about halfway down this page

http://www.pulse-jets.com/phpbb2/viewto ... +enjoyment

that was such a great looking little engine too! why did you have to break it?

oh well, at least you got some nice shots of it before it died.

it seems to me like the leaf blower will not be sufficient to produce the fine mist of fuel that you need for the engine to start. If at all possible you should try using an air compressor instead. I am very impressed with the overall quality of the work, although it is too bad you couldn't keep the...

Also the airfoil should be shaped different from normal aircraft. The bottom should have a slight "s" shape to it, convcave at the front and convex at the rear. This helps to raise the pressure at the rear of the wing, otherwise you need a whopping big tailplane like 1/3 of the wing area to stabili...

http://www.matchstickrockets.com/

I have only exceded 20ft once

I think my problem is that I keep burning through the aluminium wherever there arent enough layers. perhaps I should look for some thicker Al

wow, that video was actually really cool, and you could tell that it took a lot of thought to make everything flow realisticly and naturally even in reverse. the cameraman has a lot of tallent as well IMHO.

awesome!

i still think FSM is one of the funniest parodies I've ever seen- what makes it even funnier is the fact that people are capatilizing on it just like they do with real religions.